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Finding the Fourth Proportional to 169,882.57, 254,854.61 and 69,987.25

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Solution

The fourth proportional to 169,882.57, 254,854.61 and 69,987.25 is: 104,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,882.57 : 254,854.61 = 69,987.25 : x
  2. Step 2: Convert to fraction form
    169,882.57/254,854.61 = 69,987.25/x
  3. Step 3: Cross multiply
    169,882.57x = 254,854.61 × 69,987.25
  4. Step 4: Simplify right side
    169,882.57x = 17,836,573,303.72
  5. Step 5: Solve for x
    x = 17,836,573,303.72/169,882.57
  6. Step 6: Final answer
    x = 104,993.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.